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arch/xtensa/src/esp32/esp32_gpio: Function "SPECIAL" doesn't exist. All

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pads go through the same GPIO matrix to select one of the 6 possible functions.

Signed-off-by: Abdelatif Guettouche <abdelatif.guettouche@espressif.com>
This commit is contained in:
Abdelatif Guettouche 2020-10-05 10:54:48 +01:00 • committed by Alan Carvalho de Assis
parent efb2fd5e4b
commit 564237a602
2 changed files with 0 additions and 5 deletions
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4
arch/xtensa/src/esp32/esp32_gpio.c
View file

@ -218,10 +218,6 @@ int esp32_configgpio(int pin, gpio_pinattr_t attr)
{
func |= (uint32_t)(2 << MCU_SEL_S);
}
else if ((attr & FUNCTION_MASK) == SPECIAL)
{
func |= (uint32_t)((((pin) == 1 || (pin) == 3) ? 0 : 1) << MCU_SEL_S);
}
else /* if ((attr & FUNCTION) != 0) */
{
func |= (uint32_t)((attr >> FUNCTION_SHIFT) << MCU_SEL_S);

1
arch/xtensa/src/esp32/esp32_gpio.h
View file

@ -66,7 +66,6 @@
# define FUNCTION_3 (3 << FUNCTION_SHIFT)
# define FUNCTION_4 (4 << FUNCTION_SHIFT)
# define FUNCTION_5 (5 << FUNCTION_SHIFT)
# define SPECIAL (7 << FUNCTION_SHIFT)
#define INPUT_PULLUP (INPUT | PULLUP)
#define INPUT_PULLDOWN (INPUT | PULLDOWN)